n. Short for "web abbreviation." These internet acronyms either contribute to our rich online culture or expedite the demise of intellectual civilization (depending on who you ask). Some popular webbreviations include lol, brb, ttyl, btw & idk.

Steve: How would I look in a cape?
Randy: idk
Steve: Whatever. I'll never be able to pull it off as well as Dina anyway.
Randy: lol
Steve: Randy, stop that!
Randy: Stop what?
Steve: You've gotta be the only loser who uses webbreviations when chatting in person.